Long-established results for the low-energy photon-photon scattering, gamma gamma --> gamma gamma, have recently been questioned. We analyze that claim and demonstrate that it is inconsistent with ...

Abstract: Every single photon carries information in position, time, etc. Single-photon devices are now demonstrated and available in several CMOS technologies, but the needed circuits and ...

ICTER scientists enhanced two-photon vision by quantifying infrared light luminance as perceived brightness, achieving levels up to 670 cd/m² safely. This breakthrough method opens up new ...

The first direct visualization of the shape of a photon has been created. These particles of light are impossible to photograph, but physicists at the University of Birmingham have now calculated ...

Spontaneous parametric down-conversion (SPDC), as a source of entangled photons, is of great interest for quantum physics and quantum technology, but so far it could be only implemented in solids.

The photon-to-photon conversion process has attracted great attention as it can carry out the conversion of photons in different wavelength regions and use the characteristics of different bands to ...

John Riccitiello is stepping down as CEO of Unity and will no longer be on its board. James Whitehurst, former CEO of Red Hat, will become Unity's interim CEO. In September, Unity announced a ...

For photosynthesis, one photon is all it takes. Only a single particle of light is required to spark the first steps of the biological process that converts light into chemical energy, scientists ...